Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest income:
Interest and fees on loans	$ 39,886	$ 30,983	$ 111,519	$ 93,565
Interest on debt securities:
Taxable	2,628	2,853	7,440	8,666
Nontaxable	264	184	734	449
Interest on federal funds sold	0	0	0	1
Interest on interest-bearing deposits	53	166	195	427
Dividends on equity securities	43	99	230	269
Total interest income	42,874	34,285	120,118	103,377
Interest expense:
Interest-bearing transaction accounts	182	211	566	606
Money market accounts	1,024	2,004	3,694	6,210
Savings	68	35	209	53
Certificates of deposit:
$100 and over	1,691	2,297	5,500	6,959
Other	597	855	2,103	2,708
Subordinated debentures	982	1,128	3,111	3,375
Federal Home Loan Bank advances	721	881	2,327	2,669
Notes payable and other borrowings	125	105	362	316
Total interest expense	5,390	7,516	17,872	22,896
Net interest income	37,484	26,769	102,246	80,481
Provision for loan losses not covered under FDIC loss share	1,048	5,400	2,841	13,300
Provision for loan losses covered under FDIC loss share	10,889	2,672	13,380	2,947
Net interest income after provision for loan losses	25,547	18,697	86,025	64,234
Noninterest income:
Wealth Management revenue	1,825	1,832	5,525	5,173
Service charges on deposit accounts	1,456	1,332	4,199	3,663
Other service charges and fee income	676	464	1,848	1,105
Gain on sale of other real estate	739	517	3,152	1,039
Gain on state tax credits, net	256	1,368	1,180	2,510
Gain on sale of investment securities	0	768	1,156	1,448
Change in FDIC loss share receivable	1,912	1,513	(6,738)	1,148
Miscellaneous income	968	932	2,338	1,821
Total noninterest income	7,832	8,726	12,660	17,907
Noninterest expense:
Employee compensation and benefits	11,441	9,329	32,956	26,282
Occupancy	1,399	1,306	4,162	3,586
Furniture and equipment	384	431	1,234	1,216
Data processing	881	642	2,530	1,872
FDIC and other insurance	862	828	2,658	3,183
Loan legal and other real estate expense	1,187	1,576	5,216	7,267
Other	5,128	4,190	15,304	10,885
Total noninterest expense	21,282	18,302	64,060	54,291
Income before income tax expense	12,097	9,121	34,625	27,850
Income tax expense	4,167	3,289	11,744	9,633
Net income	7,930	5,832	22,881	18,217
Net income available to common shareholders	$ 7,282	$ 5,200	$ 20,948	$ 16,329
Earnings per common share
Basic	$ 0.41	$ 0.29	$ 1.17	$ 1.00
Diluted	$ 0.39	$ 0.29	$ 1.14	$ 0.98